Finding the Third Proportional to 71,907 and 112,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,907 : 112,807.50 = 112,807.50 : x
2. Step 2: Convert to fraction form
   71,907/112,807.50 = 112,807.50/x
3. Step 3: Cross multiply
   71,907x = 112,807.50 × 112,807.50
4. Step 4: Simplify right side
   71,907x = 12,725,532,056.25
5. Step 5: Solve for x
   x = 12,725,532,056.25/71,907
6. Step 6: Final answer
   x = 176,972.09